Volkswagen Group New Small Family platform
The Volkswagen Group New Small Family platform (NSF) (also known as Typ AA or PQ12 platform) is a range of ultra-compact city cars manufactured by Volkswagen Group launched in late 2011, based on the Volkswagen up! concept cars shown at 2007's Frankfurt and Tokyo motor shows.
Source: Wikipedia — Volkswagen Group New Small Family platform (CC BY-SA 4.0)